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   <div id="projectbrief">Implementation of std::any class of C++17 standard under C++11 standard</div>
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<div class="title">/home/eric/workspace/git-rep/cpp-any/any.cpp</div>  </div>
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<a href="any_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="any_8h.html">any.h</a>&quot;</span></div>
<div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160; </div>
<div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="comment">//=============================================================================</span></div>
<div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="comment">// class bad_any_cast</span></div>
<div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="comment">//=============================================================================</span></div>
<div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160; </div>
<div class="line"><a name="l00007"></a><span class="lineno"><a class="line" href="classbad__any__cast.html#a2d2581230d8c46e3d861da95fcdb3f2c">    7</a></span>&#160;<span class="keyword">const</span> <span class="keywordtype">char</span>* <a class="code" href="classbad__any__cast.html#a2d2581230d8c46e3d861da95fcdb3f2c">bad_any_cast::what</a>() const noexcept</div>
<div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;{</div>
<div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;    <span class="keywordflow">return</span> <span class="stringliteral">&quot;bad any_cast&quot;</span>;</div>
<div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;}</div>
<div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160; </div>
<div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;<span class="comment">//=============================================================================</span></div>
<div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;<span class="comment">// class Any</span></div>
<div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;<span class="comment">//=============================================================================</span></div>
<div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160; </div>
<div class="line"><a name="l00016"></a><span class="lineno"><a class="line" href="classany.html#a4807cc2f65c6e677e3f53b39274c9528">   16</a></span>&#160;constexpr <a class="code" href="classany.html#a4807cc2f65c6e677e3f53b39274c9528">any::any</a>() noexcept</div>
<div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;    : m_manager(<span class="keywordtype">nullptr</span>)</div>
<div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;{ }</div>
<div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160; </div>
<div class="line"><a name="l00020"></a><span class="lineno"><a class="line" href="classany.html#a34a926505ba320df0e4ae2f001ed858f">   20</a></span>&#160;<a class="code" href="classany.html#a4807cc2f65c6e677e3f53b39274c9528">any::any</a>(<span class="keyword">const</span> <a class="code" href="classany.html">any</a>&amp; other)</div>
<div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;{</div>
<div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;    <span class="keywordflow">if</span> (!other.<a class="code" href="classany.html#aee1aabbbe7c8e3197605c0f8055e5e5a">has_value</a>()) {</div>
<div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;        m_manager = <span class="keyword">nullptr</span>;</div>
<div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;    } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;        ManageArg marg;</div>
<div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;        marg._any = <span class="keyword">this</span>;</div>
<div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;        other.m_manager(MOClone, &amp;other, &amp;marg);</div>
<div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;    }</div>
<div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;}</div>
<div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160; </div>
<div class="line"><a name="l00031"></a><span class="lineno"><a class="line" href="classany.html#a901fcf91bdb368a4b722f87193d60661">   31</a></span>&#160;<a class="code" href="classany.html#a4807cc2f65c6e677e3f53b39274c9528">any::any</a>(<a class="code" href="classany.html">any</a>&amp;&amp; other) noexcept</div>
<div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;{</div>
<div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;    <span class="keywordflow">if</span> (!other.has_value()) {</div>
<div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;        m_manager = <span class="keyword">nullptr</span>;</div>
<div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;    } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;        ManageArg marg;</div>
<div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;        marg._any = <span class="keyword">this</span>;</div>
<div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;        other.m_manager(MOXfer, &amp;other, &amp;marg);</div>
<div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;    }</div>
<div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;}</div>
<div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160; </div>
<div class="line"><a name="l00042"></a><span class="lineno"><a class="line" href="classany.html#a2984bd733b273daa0a9ad72df9af4b21">   42</a></span>&#160;<a class="code" href="classany.html#a2984bd733b273daa0a9ad72df9af4b21">any::~any</a>()</div>
<div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;{</div>
<div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;    <a class="code" href="classany.html#a6c4a11253f803d135685e115cf7054d8">reset</a>();</div>
<div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;}</div>
<div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160; </div>
<div class="line"><a name="l00047"></a><span class="lineno"><a class="line" href="classany.html#a2cf81fb23973bf898205c5887fcf184f">   47</a></span>&#160;<a class="code" href="classany.html">any</a>&amp; <a class="code" href="classany.html#a2cf81fb23973bf898205c5887fcf184f">any::operator=</a>(<span class="keyword">const</span> <a class="code" href="classany.html">any</a>&amp; rhs)</div>
<div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;{</div>
<div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;    *<span class="keyword">this</span> = <a class="code" href="classany.html#a4807cc2f65c6e677e3f53b39274c9528">any</a>(rhs);</div>
<div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;    <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div>
<div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;}</div>
<div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160; </div>
<div class="line"><a name="l00053"></a><span class="lineno"><a class="line" href="classany.html#afc424d2bfde0408650005ed9d980fc2a">   53</a></span>&#160;<a class="code" href="classany.html">any</a>&amp; <a class="code" href="classany.html#a2cf81fb23973bf898205c5887fcf184f">any::operator=</a>(<a class="code" href="classany.html">any</a>&amp;&amp; rhs) noexcept</div>
<div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;{</div>
<div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;    <span class="keywordflow">if</span> (!rhs.has_value()) {</div>
<div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;        reset();</div>
<div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;    } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (<span class="keyword">this</span> != &amp;rhs) {</div>
<div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;        reset();</div>
<div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;        ManageArg marg;</div>
<div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;        marg._any = <span class="keyword">this</span>;</div>
<div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;        rhs.m_manager(MOXfer, &amp;rhs, &amp;marg);</div>
<div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;    }</div>
<div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;    <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div>
<div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;}</div>
<div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160; </div>
<div class="line"><a name="l00066"></a><span class="lineno"><a class="line" href="classany.html#a6c4a11253f803d135685e115cf7054d8">   66</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="classany.html#a6c4a11253f803d135685e115cf7054d8">any::reset</a>() noexcept</div>
<div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;{</div>
<div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;    <span class="keywordflow">if</span> (<a class="code" href="classany.html#aee1aabbbe7c8e3197605c0f8055e5e5a">has_value</a>()) {</div>
<div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;        m_manager(MODestroy, <span class="keyword">this</span>, <span class="keyword">nullptr</span>);</div>
<div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;        m_manager = <span class="keyword">nullptr</span>;</div>
<div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;    }</div>
<div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;}</div>
<div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160; </div>
<div class="line"><a name="l00074"></a><span class="lineno"><a class="line" href="classany.html#a7b22cb0a30ac185ccc24bdc819497088">   74</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="classany.html#a7b22cb0a30ac185ccc24bdc819497088">any::swap</a>(<a class="code" href="classany.html">any</a>&amp; rhs) noexcept</div>
<div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;{</div>
<div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;    <span class="keywordflow">if</span> (!has_value() &amp;&amp; !rhs.has_value()) {</div>
<div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;        <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;    }</div>
<div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160; </div>
<div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;    <span class="keywordflow">if</span> (has_value() &amp;&amp; rhs.has_value()) {</div>
<div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;        <span class="keywordflow">if</span> (<span class="keyword">this</span> == &amp;rhs) {</div>
<div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;            <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;        }</div>
<div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160; </div>
<div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;        <a class="code" href="classany.html">any</a> tmp;</div>
<div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160;        ManageArg marg;</div>
<div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;        marg._any = &amp;tmp;</div>
<div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160;        rhs.m_manager(MOXfer, &amp;rhs, &amp;marg);</div>
<div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;        marg._any = &amp;rhs;</div>
<div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;        m_manager(MOXfer, <span class="keyword">this</span>, &amp;marg);</div>
<div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;        marg._any = <span class="keyword">this</span>;</div>
<div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;        tmp.m_manager(MOXfer, &amp;tmp, &amp;marg);</div>
<div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;    }</div>
<div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160;    <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160;        <a class="code" href="classany.html">any</a>* empty = !has_value() ? this : &amp;rhs;</div>
<div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;        <a class="code" href="classany.html">any</a>* full = !has_value() ? &amp;rhs : <span class="keyword">this</span>;</div>
<div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160;        ManageArg marg;</div>
<div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;        marg._any = empty;</div>
<div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;        full-&gt;m_manager(MOXfer, full, &amp;marg);</div>
<div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160;    }</div>
<div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;}</div>
<div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160; </div>
<div class="line"><a name="l00103"></a><span class="lineno"><a class="line" href="classany.html#aee1aabbbe7c8e3197605c0f8055e5e5a">  103</a></span>&#160;<span class="keywordtype">bool</span> <a class="code" href="classany.html#aee1aabbbe7c8e3197605c0f8055e5e5a">any::has_value</a>() const noexcept</div>
<div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;{</div>
<div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160;    <span class="keywordflow">return</span> m_manager != <span class="keyword">nullptr</span>;</div>
<div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160;}</div>
<div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160; </div>
<div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160;<span class="preprocessor">#if __cpp_rtti</span></div>
<div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160;<span class="keyword">const</span> std::type_info&amp; any::type() const noexcept</div>
<div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;{</div>
<div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160;    <span class="keywordflow">if</span> (!<a class="code" href="classany.html#aee1aabbbe7c8e3197605c0f8055e5e5a">has_value</a>()) {</div>
<div class="line"><a name="l00112"></a><span class="lineno">  112</span>&#160;        <span class="keywordflow">return</span> <span class="keyword">typeid</span>(void);</div>
<div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160;    }</div>
<div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160;    ManageArg marg;</div>
<div class="line"><a name="l00115"></a><span class="lineno">  115</span>&#160;    m_manager(MOGetTypeInfo, <span class="keyword">this</span>, &amp;marg);</div>
<div class="line"><a name="l00116"></a><span class="lineno">  116</span>&#160;    <span class="keywordflow">return</span> *marg._typeinfo;</div>
<div class="line"><a name="l00117"></a><span class="lineno">  117</span>&#160;}</div>
<div class="line"><a name="l00118"></a><span class="lineno">  118</span>&#160;<span class="preprocessor">#endif // __cpp_rtti</span></div>
</div><!-- fragment --></div><!-- contents -->
<div class="ttc" id="aclassany_html_a2984bd733b273daa0a9ad72df9af4b21"><div class="ttname"><a href="classany.html#a2984bd733b273daa0a9ad72df9af4b21">any::~any</a></div><div class="ttdeci">~any()</div><div class="ttdef"><b>Definition:</b> <a href="any_8cpp_source.html#l00042">any.cpp:42</a></div></div>
<div class="ttc" id="aany_8h_html"><div class="ttname"><a href="any_8h.html">any.h</a></div></div>
<div class="ttc" id="aclassany_html_a4807cc2f65c6e677e3f53b39274c9528"><div class="ttname"><a href="classany.html#a4807cc2f65c6e677e3f53b39274c9528">any::any</a></div><div class="ttdeci">constexpr any() noexcept</div><div class="ttdef"><b>Definition:</b> <a href="any_8cpp_source.html#l00016">any.cpp:16</a></div></div>
<div class="ttc" id="aclassany_html_a7b22cb0a30ac185ccc24bdc819497088"><div class="ttname"><a href="classany.html#a7b22cb0a30ac185ccc24bdc819497088">any::swap</a></div><div class="ttdeci">void swap(any &amp;rhs) noexcept</div><div class="ttdef"><b>Definition:</b> <a href="any_8cpp_source.html#l00074">any.cpp:74</a></div></div>
<div class="ttc" id="aclassbad__any__cast_html_a2d2581230d8c46e3d861da95fcdb3f2c"><div class="ttname"><a href="classbad__any__cast.html#a2d2581230d8c46e3d861da95fcdb3f2c">bad_any_cast::what</a></div><div class="ttdeci">virtual const char * what() const noexcept</div><div class="ttdef"><b>Definition:</b> <a href="any_8cpp_source.html#l00007">any.cpp:7</a></div></div>
<div class="ttc" id="aclassany_html"><div class="ttname"><a href="classany.html">any</a></div><div class="ttdoc">The class any describes a type-safe container for single values of any type.</div><div class="ttdef"><b>Definition:</b> <a href="any_8h_source.html#l00159">any.h:159</a></div></div>
<div class="ttc" id="aclassany_html_a2cf81fb23973bf898205c5887fcf184f"><div class="ttname"><a href="classany.html#a2cf81fb23973bf898205c5887fcf184f">any::operator=</a></div><div class="ttdeci">any &amp; operator=(const any &amp;rhs)</div><div class="ttdef"><b>Definition:</b> <a href="any_8cpp_source.html#l00047">any.cpp:47</a></div></div>
<div class="ttc" id="aclassany_html_a6c4a11253f803d135685e115cf7054d8"><div class="ttname"><a href="classany.html#a6c4a11253f803d135685e115cf7054d8">any::reset</a></div><div class="ttdeci">void reset() noexcept</div><div class="ttdef"><b>Definition:</b> <a href="any_8cpp_source.html#l00066">any.cpp:66</a></div></div>
<div class="ttc" id="aclassany_html_aee1aabbbe7c8e3197605c0f8055e5e5a"><div class="ttname"><a href="classany.html#aee1aabbbe7c8e3197605c0f8055e5e5a">any::has_value</a></div><div class="ttdeci">bool has_value() const noexcept</div><div class="ttdef"><b>Definition:</b> <a href="any_8cpp_source.html#l00103">any.cpp:103</a></div></div>
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